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Exhaust.
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topgun
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PostPosted: Wed Jul 20, 2011 4:18 pm    Post subject:  Exhaust. Reply with quote

Still a newbie.
2005 3.8 LS.
I need to do exhaust work. Probably going witha dual set up from the cat back.
Question. For those that have done this. Did you leave the resonater in the system? Any ideas what effect it would have if I left it out, replace with plain tube?
Again, thanks for expected replies.
Cool

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chibiblacksheep
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PostPosted: Wed Jul 20, 2011 4:33 pm    Post subject:   Reply with quote

Taking off the resonator increases cabin drone.

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topgun
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PostPosted: Wed Jul 20, 2011 4:35 pm    Post subject:  Exhaust. Reply with quote

Ahh hah. Got it.
It will be replaced with a new one. Thank u. Cool

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PostPosted: Wed Jul 20, 2011 4:35 pm    Post subject:   Reply with quote

Depending on the mufflers used, it can make the exhaust raspy.

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PostPosted: Wed Jul 20, 2011 4:40 pm    Post subject:  Exhaust. Reply with quote

So i"ll leave the resonater in the system (new one). Spoke to exhaust shop today and they will do a cat back dual for 3 - 350. With flowmasters.
Just been reading that the 40's are noisy, 50's a bit quiter, Quiter would be good. Any other flowmasters to poss use?
Cool

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PostPosted: Wed Jul 20, 2011 5:02 pm    Post subject:  Re: Exhaust. Reply with quote

topgun wrote:
So i"ll leave the resonater in the system (new one). Spoke to exhaust shop today and they will do a cat back dual for 3 - 350. With flowmasters.
Just been reading that the 40's are noisy, 50's a bit quiter, Quiter would be good. Any other flowmasters to poss use?
Cool


Are you stuck on using Flowmasters?

Check our exhaust sound database. http://www.naioa.com/v2/module.....amp;t=4677

The other popular option is Magnaflow.

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topgun
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PostPosted: Wed Jul 20, 2011 5:06 pm    Post subject:  Exhaust. Reply with quote

I'll check out the sound data base.
Which is a good, known to be on the quieter side, magnaflow part number?
Thanks. Cool

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PostPosted: Wed Jul 20, 2011 5:10 pm    Post subject:   Reply with quote

Can't say for sure. Most members here that run Magnaflow bought the GMPP exhaust kit for our cars. The kit has since gone out of production, but someone may have the muffler part number (try member ZSpot, he works for a dealer parts department)

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PostPosted: Wed Jul 20, 2011 5:28 pm    Post subject:  Re: Exhaust. Reply with quote

topgun wrote:
So i"ll leave the resonater in the system (new one). Spoke to exhaust shop today and they will do a cat back dual for 3 - 350. With flowmasters.
Just been reading that the 40's are noisy, 50's a bit quiter, Quiter would be good. Any other flowmasters to poss use?
Cool


My friend has a 40 on his Intrepid and it's way too loud imo. The low RPM resonance is embarassing. I'd stay away from 40s unless you want to hear TONS of exhaust while you're driving

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habermehl
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PostPosted: Wed Jul 20, 2011 5:38 pm    Post subject:   Reply with quote

In all honesty i did not hear a big difference in cabin noise to raspyness when i took out my resonator/u-bend. I have stock GTP mufflers.

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how do the dealer's expect us to get the cars there if they don 't run at all?


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PostPosted: Wed Jul 20, 2011 5:45 pm    Post subject:   Reply with quote

Stock mufflers are quiet by design... removing a resonator doesn't do squat on a stock exhaust.

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PostPosted: Wed Jul 20, 2011 7:16 pm    Post subject:  Exhaust Reply with quote

Any one got any thoughts/opinions on Dynomax mufflers from NAPA? Cool

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habermehl
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PostPosted: Wed Jul 20, 2011 7:24 pm    Post subject:  Re: Exhaust Reply with quote

topgun wrote:
Any one got any thoughts/opinions on Dynomax mufflers from NAPA? Cool


Ive never heard anything negative from people who have em, i got a buddy with 2 on his gp and they sound great! low rpm there nice take off there nice and your not listening to them the whole way down the highway either. just my 2 cents


(hopefully doesnt get deleted Laughing )

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PostPosted: Wed Jul 20, 2011 7:28 pm    Post subject:  Exhaust. Reply with quote

Sounds just like what i'm looking for. Thank u. Cool

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PostPosted: Wed Jul 20, 2011 8:45 pm    Post subject:   Reply with quote

Isn't dynomax just aluminized?

They'll rust out.

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